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Finding the Fourth Proportional to 377,294.16, 520,655.08 and 207,528.28

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Solution

The fourth proportional to 377,294.16, 520,655.08 and 207,528.28 is: 286,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,294.16 : 520,655.08 = 207,528.28 : x
  2. Step 2: Convert to fraction form
    377,294.16/520,655.08 = 207,528.28/x
  3. Step 3: Cross multiply
    377,294.16x = 520,655.08 × 207,528.28
  4. Step 4: Simplify right side
    377,294.16x = 108,050,653,225.66
  5. Step 5: Solve for x
    x = 108,050,653,225.66/377,294.16
  6. Step 6: Final answer
    x = 286,383.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.